these 3 derivations will be built:
  /nix/store/jbbqbaya5ha6lha4yq0rcj734y6k14cv-treefmt.toml.drv
  /nix/store/g8drdqc4ph1ldaq9cphia30hbq9iq2pb-treefmt.drv
  /nix/store/kggc8bkyap1r8f4qwdbjshhdzkgr19yx-treefmt-check.drv
these 2 paths will be fetched (5.8 MiB download, 27.8 MiB unpacked):
  /nix/store/c96dfsfw69vss3qr9k5z70sg3zbmvp68-rustfmt-1.94.0
  /nix/store/ppfn03rv71z09cxqcpij106kj8ah72r1-treefmt-2.4.1